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Individual Calculations January 2020 |
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| Hastilow, Sarah Total change: -2.20 | |   |
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| 11th CSC London Chess Classic: Weekday Under 1750 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1207 | 0.00 | 2 | -0.31 | 20 | -6.20 | |
|  Somupillai, Gengadharan | | | 1547 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Kapur, Gul | | | 1460 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | CCF Daytime Chess - Autumn 2019 DEC 2019 R13-14 | London | ENG | 2019-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1207 | 0.50 | 1 | 0.20 | 20 | 4.00 | |
| | Howes, David J | | | 1360 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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